A covering letter for the following documents and those documents themselves: a) short unconfirmed Minutes of the 12th Meeting of the Working Group; b) Informal Minutes of this meeting published as a booklet; c) a list of working documents referred to in the Informal Minutes.

of WG 2.1 as of October 1969.

"How one can imagine WG 2.1's work". (Doc. "Banff-6/112".)